]> git.uio.no Git - u/mrichter/AliRoot.git/blobdiff - MUON/AliMUONTracker.cxx
Changes for removal of AliMpManuList (Laurent)
[u/mrichter/AliRoot.git] / MUON / AliMUONTracker.cxx
index e2884d560709ee1af20a8e0fe8c7432a86798980..8b7a69587ce672c8752074c89d3540d56ae37e2a 100644 (file)
  * provided "as is" without express or implied warranty.                  *
  **************************************************************************/
 
+/* $Id$ */
+
+//-----------------------------------------------------------------------------
+/// \class AliMUONTracker
+///
+/// Steering class for use in global tracking framework;
+/// reconstruct tracks from recpoints
+///
+/// Actual tracking is performed by some AliMUONVTrackReconstructor children
+///
+/// \author Christian Finck and Laurent Aphecetche, SUBATECH Nantes
+//-----------------------------------------------------------------------------
 
 #include "AliMUONTracker.h"
-#include "AliMUONTrackReconstructorK.h"
+
+#include "AliMUONTrack.h"
+#include "AliMUONTrackExtrap.h"
+#include "AliMUONTrackHitPattern.h"
+#include "AliMUONTrackParam.h"
+#include "AliMUONHitForRec.h"
 #include "AliMUONTrackReconstructor.h"
-#include "AliMUONRecData.h"
+#include "AliMUONTrackReconstructorK.h"
+#include "AliMUONTrackStoreV1.h"
+#include "AliMUONTriggerChamberEff.h"
+#include "AliMUONTriggerTrackStoreV1.h"
+#include "AliMUONVClusterStore.h"
+#include "AliMUONVTriggerStore.h"
+
+#include "AliESDEvent.h"
+#include "AliESDMuonTrack.h"
+#include "AliESDVertex.h"
 #include "AliLog.h"
+#include "AliCodeTimer.h"
+
+#include <Riostream.h>
+#include <TTree.h>
+
+/// \cond CLASSIMP
+ClassImp(AliMUONTracker)
+/// \endcond
+
 
 //_____________________________________________________________________________
-AliMUONTracker::AliMUONTracker()
-  : AliTracker(),
-    fTriggerCircuit(0x0),
-    fMUONData(0x0),
-    fTrackReco(0x0)
+AliMUONTracker::AliMUONTracker(const AliMUONDigitMaker* digitMaker,
+                               const AliMUONGeometryTransformer* transformer,
+                               const AliMUONTriggerCircuit* triggerCircuit,
+                              AliMUONTriggerChamberEff* chamberEff)
+: AliTracker(),
+  fDigitMaker(digitMaker), // not owner
+  fTransformer(transformer), // not owner
+  fTriggerCircuit(triggerCircuit), // not owner
+  fTrigChamberEff(chamberEff), // not owner
+  fTrackHitPatternMaker(0x0),
+  fTrackReco(0x0),
+  fClusterStore(0x0),
+  fTriggerStore(0x0)
 {
   /// constructor
-
+  if (fTransformer && fDigitMaker)
+  {
+    fTrackHitPatternMaker = new AliMUONTrackHitPattern(*fTransformer,*fDigitMaker);
+  }
 }
+
 //_____________________________________________________________________________
 AliMUONTracker::~AliMUONTracker()
 {
-  /// dtr
+  /// dtor
   delete fTrackReco;
+  delete fTrackHitPatternMaker;
+  delete fClusterStore;
+  delete fTriggerStore;
 }
 
 //_____________________________________________________________________________
-void AliMUONTracker::SetOption(Option_t* option)
+Int_t 
+AliMUONTracker::LoadClusters(TTree* clustersTree)
 {
-  /// set reconstructor class
-
-  if (!fMUONData)
-    AliError("MUONData not defined");
+  /// Load clusterStore and triggerStore from clustersTree
+  delete fClusterStore;
+  delete fTriggerStore;
 
-  if (!fTriggerCircuit)
-    AliError("TriggerCircuit not defined");
+  fClusterStore = AliMUONVClusterStore::Create(*clustersTree);
+  fTriggerStore = AliMUONVTriggerStore::Create(*clustersTree);
+  
+  if (!fClusterStore)
+  {
+    AliError("Could not get clusterStore");
+    return 1;
+  }
+  if (!fTriggerStore)
+  {
+    AliError("Could not get triggerStore");
+    return 2;
+  }
+  
+  fClusterStore->Connect(*clustersTree,kFALSE);
+  fTriggerStore->Connect(*clustersTree,kFALSE);
+  
+  clustersTree->GetEvent(0);
 
-  if (strstr(option,"Original")) 
-    fTrackReco = new AliMUONTrackReconstructor(fMUONData);
-  else if (strstr(option,"Combi")) 
-    fTrackReco = new AliMUONTrackReconstructorK(fMUONData,"Combi");
-  else 
-    fTrackReco = new AliMUONTrackReconstructorK(fMUONData,"Kalman");
-
-  fTrackReco->SetTriggerCircuit(fTriggerCircuit);
+  return 0;
+}
 
+//_____________________________________________________________________________
+Int_t
+AliMUONTracker::Clusters2Tracks(AliESDEvent* esd)
+{
+  /// Performs the tracking and store the resulting tracks in both
+  /// the TreeT and the ESD
+  
+  Int_t rv(0);
+  TTree *tracksTree = new TTree;
+  if (!fClusterStore)
+  {
+    AliError("ClusterStore is NULL");
+    rv=2;
+  }
+  if (!fTriggerStore)
+  {
+    AliError("TriggerStore is NULL");
+    rv=3;
+  }
+  if (!rv)
+  {
+    rv = Clusters2Tracks(*tracksTree,esd);
+  }
+  return rv;
 }
 
 //_____________________________________________________________________________
-Int_t AliMUONTracker::Clusters2Tracks(AliESD* /*esd*/)
+Int_t AliMUONTracker::Clusters2Tracks(TTree& tracksTree, AliESDEvent* esd)
 {
+  /// Performs the tracking
+  AliDebug(1,"");
+  AliCodeTimerAuto("")
+  
+  AliMUONVTrackStore* trackStore(0x0);
+  AliMUONVTriggerTrackStore* triggerTrackStore(0x0);
+  
+  // Make tracker tracks
+  if ( fClusterStore ) 
+  {
+    trackStore = new AliMUONTrackStoreV1;
+    Bool_t alone = ( ( fTriggerStore && fTriggerCircuit ) ? kFALSE : kTRUE );
+    trackStore->Connect(tracksTree,alone);
+    fTrackReco->EventReconstruct(*fClusterStore,*trackStore);
+  }
+  
+  if ( fTriggerStore && fTriggerCircuit )
+  {
+    // Make trigger tracks
+    triggerTrackStore = new AliMUONTriggerTrackStoreV1;
+    Bool_t alone = ( fClusterStore ? kFALSE : kTRUE );
+    triggerTrackStore->Connect(tracksTree,alone);
+    fTrackReco->EventReconstructTrigger(*fTriggerCircuit,*fTriggerStore,*triggerTrackStore);
+  }
 
-  /// clusters2Tracks method
-  /// in general tracking framework
-   
-  // open TClonesArray for reading
-  fMUONData->SetTreeAddress("TC,RC");
+  if ( trackStore && triggerTrackStore && fTriggerStore && fTrackHitPatternMaker )
+  {
+    fTrackReco->ValidateTracksWithTrigger(*trackStore,*triggerTrackStore,*fTriggerStore,*fTrackHitPatternMaker);
+  }
+  
+  // Fills output TreeT 
+  //tracksTree.Fill();
 
-  // open for writing
-  // trigger branch
-  fMUONData->MakeBranch("RL"); //trigger track
-  fMUONData->SetTreeAddress("RL");
-  fTrackReco->EventReconstructTrigger();
-  fMUONData->Fill("RL");
+  if( trackStore && triggerTrackStore && fTriggerStore && fTrigChamberEff){
+      AliCodeTimerStart("EventChamberEff");
+      fTrigChamberEff->EventChamberEff(*fTriggerStore,*triggerTrackStore,*trackStore);
+      AliCodeTimerStop("EventChamberEff");
+  }
 
-  // tracking branch
-  fMUONData->MakeBranch("RT"); //track
-  fMUONData->SetTreeAddress("RT");
-  fTrackReco->EventReconstruct();
-  fMUONData->Fill("RT");
+  FillESD(*trackStore,esd);
+  
+  // cleanup
+  delete trackStore;
+  delete triggerTrackStore;
+  
+  return 0;
+}
 
-  fMUONData->ResetRecTracks();
-  fMUONData->ResetRecTriggerTracks();
+//_____________________________________________________________________________
+void 
+AliMUONTracker::FillESD(AliMUONVTrackStore& trackStore, AliESDEvent* esd) const
+{
+  /// Fill the ESD from the trackStore
+  AliDebug(1,"");
+  AliCodeTimerAuto("")
+  
+  // Get vertex 
+  Double_t vertex[3] = {0};
+  const AliESDVertex* esdVert = esd->GetVertex(); 
+  if (esdVert->GetNContributors()) 
+  {
+    esdVert->GetXYZ(vertex);
+    AliDebug(1,Form("found vertex (%e,%e,%e)",vertex[0],vertex[1],vertex[2]));
+  }
+  
+  // setting ESD MUON class
+  AliESDMuonTrack esdTrack;
+  
+  AliMUONTrack* track;
+  TIter next(trackStore.CreateIterator());
+  
+  while ( ( track = static_cast<AliMUONTrack*>(next()) ) )
+  {
+    AliMUONTrackParam* trackParam = static_cast<AliMUONTrackParam*>((track->GetTrackParamAtHit())->First());
+    AliMUONTrackParam trackParamAtVtx(*trackParam);
+    
+    /// Extrapolate to vertex (which is set to (0,0,0) if not available, see above)
+    AliMUONTrackExtrap::ExtrapToVertex(&trackParamAtVtx, vertex[0],vertex[1],vertex[2]);
+    
+    // setting data member of ESD MUON
+    
+    // at first station
+    trackParam->SetParamForUncorrected(esdTrack);
+    trackParam->SetCovFor(esdTrack);
+    // at vertex
+    trackParamAtVtx.SetParamFor(esdTrack);
+    // global info
+    esdTrack.SetChi2(track->GetFitFMin());
+    esdTrack.SetNHit(track->GetNTrackHits());
+    esdTrack.SetLocalTrigger(track->GetLocalTrigger());
+    esdTrack.SetChi2MatchTrigger(track->GetChi2MatchTrigger());
+    esdTrack.SetHitsPatternInTrigCh(track->GetHitsPatternInTrigCh());
+    // muon cluster map
+    AliMUONHitForRec* cluster = static_cast<AliMUONHitForRec*>((track->GetHitForRecAtHit())->First());
+    while (cluster) {
+      esdTrack.AddInMuonClusterMap(cluster->GetChamberNumber());
+      cluster = static_cast<AliMUONHitForRec*>((track->GetHitForRecAtHit())->After(cluster));
+    }
+    
+    // storing ESD MUON Track into ESD Event 
+    esd->AddMuonTrack(&esdTrack);
+  } // end of loop on tracks
+}
 
-  return kTRUE;
+//_____________________________________________________________________________
+void AliMUONTracker::SetOption(Option_t* option)
+{
+  /// set reconstructor class
+  
+  if (strstr(option,"Original")) 
+  {
+    fTrackReco = new AliMUONTrackReconstructor;
+  }
+  else 
+  {
+    fTrackReco = new AliMUONTrackReconstructorK();
+  }
 }
+
+//_____________________________________________________________________________
+void 
+AliMUONTracker::UnloadClusters()
+{
+  /// Delete internal clusterStore
+  delete fClusterStore;
+  fClusterStore = 0x0;
+}
+